/in/foo.cc: In function 'int main()':
/in/foo.cc:31:13: warning: unused variable 'p' [-Wunused-variable]
         int p[100000000];
             ^
/in/foo.cc:23:20: warning: array subscript is above array bounds [-Warray-bounds]
         cin >> x[10] >> y[10];
                    ^
/in/foo.cc:23:30: warning: array subscript is above array bounds [-Warray-bounds]
         cin >> x[10] >> y[10];
                              ^